1996 Chevrolet Blazer "rough idle" Questions

Rough idle. Has new plugswires and cap and rotor. Is smoother at highway speeds but is still rough Sounds like an IAC motor( Idle Air Control) easy proof test is to bring it to Auto Zone or Advanced ...

...idle rough. I thought it needed a tune up, so i replaced the spark plugs, air filter etc. Still idled rough. Could it have been the fan blade was loose? when driving the vibration went away. thanks ...

...rough but runs smooth once you get going CHECK FOR A LEAKING INTAKE MANIFOLD GASKET, USE A CAN OF CARB SPRAY AND SPRAY AROUND THE TOP OF THE ENGINE, IF U HIT ON A LEAK U WILL HEAR THE ENG CHANGE TONE ...

...rough but fine in a higher rpm. you might have a vacuum leak. to find a vacuum leak i use propane to pinpoint the orign of the leak. when the leak sucks in the propane the engle idle increases. thus ...

rough idle on 1999 chevy blazer 4.3 liter changed plugs cap rotot wires fuel filter still rough check engine code miss fire cylnder 2 cleared code no engine light but still runs rough at idle Barring ...

...rough idle , could this be a timing chain issue. i replaced spark plugs, distributer, wires, thottle pos. sensor, map,and idle air sensor. Thanks james no more like a low duel pressure or dirty ...

...a couple days then started doing it again.Already changed the fuel filter and pcv valve. whats the problem? have you tried changing the oxygen sensor (o2 sensor), i had a rough idle and that solved ...

rough idle My 1998 Chevy blazer has a rough idle. I listened to it with the hood up and I heard a loud hissing sound which I traced back to underneath the air filter hose. What hose run under there???

...rough idle and back fires 95 Chevy blazer s10 will not accelerate, it also has a rough idle and it putters and back fires when was the last tune up done on it? have you checked the spark plugs and ...

rough idle blazer 2000 The truck runs but roughly while in idle change air filter.clean throttle plates.remove throttle body remove all electrical parts also all plastics and rubber parts.clean ...